Cummins Genuine Aftercooler O-Ring - 4019975

The Cummins Genuine Aftercooler O-Ring - 4019975 is intended for servicing and repair of compatible marine engines or assemblies.

Product information

• 4019975 - Genuine Cummins Aftercooler O-Ring
• Genuine Cummins 4019975 fat style aftercooler O-ring used on QSB 5.9 (below 380HP) and 6BTA 5.9 models.

Before ordering

Please compare the listed specifications and part number with your existing component. If you need help confirming compatibility, contact Jet Ski Parts Warehouse with your make, model, year and engine details.